Mercurial > hg > Members > kono > os9 > sbc09
changeset 60:84d2d5a54ed0
level1 clock fixed
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 24 Jul 2018 17:04:46 +0900 |
| parents | 7c6dc25c2b05 |
| children | 80f4ec9a3420 |
| files | src/os9/level1/clock.asm |
| diffstat | 1 files changed, 27 insertions(+), 9 deletions(-) [+] |
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--- a/src/os9/level1/clock.asm Mon Jul 23 20:17:12 2018 +0900 +++ b/src/os9/level1/clock.asm Tue Jul 24 17:04:46 2018 +0900 @@ -39,22 +39,38 @@ fcb $80 -ClockIRQ clra - tfr a,dp - ldx #TimerPort +ClockIRQ ldx #TimerPort lda ,x bita #$10 - beq L00B4 + bne L00B4 +L00AE jsr [>D.Poll] poll ISRs + bcc L00AE keep polling until carry set + jmp [>D.AltIRQ] jump into an alternate IRQ if available + +L00B4 ldb #$8f start timer stb ,x -L00B4 - jmp [>D.SvcIRQ] + + dec <D.Tick + bne L007F go around if not zero + ldb <D.Sec get minutes/seconds +* Seconds increment + incb increment seconds + cmpb #60 full minute? + blo L007F + ldb <D.TSec + stb <D.Tick + bsr FTime +L007F stb <D.Sec + + jmp [>D.Clock] ClkEnt equ * ldd #59*256+$01 last second and last tick std <D.Sec will prompt RTC read at next time slice -* ldb #TkPerSec -* stb <D.TSec set ticks per second + ldb #TkPerSec + stb <D.TSec set ticks per second + stb <D.Tick set ticks per second ldb #TkPerTS get ticks per time slice stb <D.TSlice set ticks per time slice stb <D.Slice set first time slice @@ -77,12 +93,14 @@ stb ,y ldd 1,y std ,x + std <D.Year ldd 3,y std 2,x + std <D.Day ldd 5,y std 4,x + std <D.Min clrb - rts emod